20027848

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1223}}^1$

素因数の和:1341

約数の個数: 32

約数和(自身を含む): 39657600

約数和(自身を除く): 19629752

約数列:

[1, 2, 4, 8, 23, 46, 89, 92, 178, 184, 356, 712, 1223, 2047, 2446, 4094, 4892, 8188, 9784, 16376, 28129, 56258, 108847, 112516, 217694, 225032, 435388, 870776, 2503481, 5006962, 10013924, 20027848]

約数ペア:

[(1, 20027848), (2, 10013924), (4, 5006962), (8, 2503481), (23, 870776), (46, 435388), (89, 225032), (92, 217694), (178, 112516), (184, 108847), (356, 56258), (712, 28129), (1223, 16376), (2047, 9784), (2446, 8188), (4094, 4892)]